Data on agricultural production and water use are not collected at all, or are collected by individual irrigation districts, counties, and a variety of state and federal agencies using a range of tools from voluntary reporting at the field level to remote sensing from satellites.
Traded goods were tracked back to which nations actually grew the underlying crops using cross-national
data on agricultural production.
Not exact matches
In the 1950s, when the Soil Conservation Service (now known as the Natural Resources Conservation Service) began defining tolerable rates of soil erosion from
agricultural land, hardly any
data on rates of soil
production were available.
U.S. Department of Agriculture
data tables provide evidence for the importance of the eight Midwest states for U.S.
agricultural production.3 Evidence for the effect of future elevated carbon dioxide concentrations
on crop yields is based
on scores of greenhouse and field experiments that show a strong fertilization response for C3 plants such as soybeans and wheat and a positive but not as strong a response for C4 plants such as corn.
This technical document provides a brief review of the benefits from various agriculture - based practices and technologies that have the potential to increase food
production and the adaptive capacity of the food
production system, as well as reduce emissions or enhance carbon storage in
agricultural soils and biomass, focusing in detail
on empirical evidence concerning costs and barriers to adoption, both from household and project - level
data.
Also, the letter focuses
on smallholders, but the
data can also be used to investigate the contribution of large - scale farming to land use and
agricultural production.
For example, the United Nations Food and
Agricultural Organisation (FAO) has been compiling forest inventories since 1946 providing detailed
data on carbon stocks, often based
on commercial wood
production data.